Patents by Inventor Ashok Lalwani

Ashok Lalwani has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10291734
    Abstract: Live stream delivery within a content delivery network (CDN) includes recording the stream using a recording tier, and playing the stream using a player tier. Recording begins when the stream is received in a source format. The stream is then converted into an intermediate format (IF), which comprises a stream manifest, one or more fragment indexes (FI), and a set of IF fragments. A player process begins when a requesting client is associated with a CDN HTTP proxy. In response to receipt at the proxy of a request for the stream, the HTTP proxy retrieves (either from the archive or the data store) the stream manifest and at least one fragment index. Using the fragment index, the IF fragments are retrieved to the HTTP proxy, converted to a target format, and then served in response to the client request. Preferably, fragments are accessed, cached and served by the proxy via HTTP.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: May 14, 2019
    Assignee: Akamai Technologies, Inc.
    Inventors: Christopher R. Knox, Philip A. Lisiecki, James Mutton, Chuck Bernard, Ashok Lalwani, William Law, Thomas Devanneaux
  • Publication number: 20170111464
    Abstract: Live stream delivery within a content delivery network (CDN) includes recording the stream using a recording tier, and playing the stream using a player tier. Recording begins when the stream is received in a source format. The stream is then converted into an intermediate format (IF), which comprises a stream manifest, one or more fragment indexes (FI), and a set of IF fragments. A player process begins when a requesting client is associated with a CDN HTTP proxy. In response to receipt at the proxy of a request for the stream, the HTTP proxy retrieves (either from the archive or the data store) the stream manifest and at least one fragment index. Using the fragment index, the IF fragments are retrieved to the HTTP proxy, converted to a target format, and then served in response to the client request. Preferably, fragments are accessed, cached and served by the proxy via HTTP.
    Type: Application
    Filed: December 26, 2016
    Publication date: April 20, 2017
    Inventors: Christopher R. Knox, Philip A. Lisiecki, James Mutton, Chuck Bernard, Ashok Lalwani, William Law, Thomas Devanneaux
  • Patent number: 9537967
    Abstract: A method of delivering a live stream is implemented within a content delivery network (CDN) and includes the high level functions of recording the stream using a recording tier, and playing the stream using a player tier. The step of recording the stream includes a set of sub-steps that begins when the stream is received at a CDN entry point in a source format. The stream is then converted into an intermediate format (IF), which is an internal format for delivering the stream within the CDN and comprises a stream manifest, a set of one or more fragment indexes (FI), and a set of IF fragments. The player process begins when a requesting client is associated with a CDN HTTP proxy. In response to receipt at the HTTP proxy of a request for the stream or a portion thereof, the HTTP proxy retrieves (either from the archive or the data store) the stream manifest and at least one fragment index.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: January 3, 2017
    Assignee: Akamai Technologies, Inc.
    Inventors: Christopher R. Knox, Philip A. Lisiecki, James Mutton, Chuck Bernard, Ashok Lalwani, Will Law, Thomas Devanneaux
  • Publication number: 20120265853
    Abstract: This patent document describes, among other things, distributed computer platforms for online delivery of multimedia, including HD video, at broadcast audience scale to a variety of runtime environments and client devices in both fixed line and mobile environments. The teachings hereof can be applied to deliver live and on-demand content streams via computer networks. The teachings also relate to the ingestion of content streams in a given source format and the serving of the stream in a given target format. For example, a system might have machines in a content delivery network that ingest live streams in a source format, use an intermediate format to transport the stream within the system, and output the stream in a target format to clients that have requested (e.g., with an HTTP request) the stream. The streams may be archived for later playback.
    Type: Application
    Filed: December 16, 2011
    Publication date: October 18, 2012
    Applicant: AKAMAI TECHNOLOGIES, INC.
    Inventors: Christopher R. Knox, Nicholas S. Brookins, Vaishnav Janardhan, William P. Korbe, III, Ashok Lalwani, Prasanna Laghate, Stephen L. Ludin, Akinwale O. Olugbile, Moses P. Pawar, Chandan H. Rao, Abdal Salam Faisal Padinjareveetil, Ronnie So, Babu Suryanarayanan
  • Publication number: 20110173345
    Abstract: A method of delivering a live stream is implemented within a content delivery network (CDN) and includes the high level functions of recording the stream using a recording tier, and playing the stream using a player tier. The step of recording the stream includes a set of sub-steps that begins when the stream is received at a CDN entry point in a source format. The stream is then converted into an intermediate format (IF), which is an internal format for delivering the stream within the CDN and comprises a stream manifest, a set of one or more fragment indexes (FI), and a set of IF fragments. The player process begins when a requesting client is associated with a CDN HTTP proxy. In response to receipt at the HTTP proxy of a request for the stream or a portion thereof, the HTTP proxy retrieves (either from the archive or the data store) the stream manifest and at least one fragment index.
    Type: Application
    Filed: August 17, 2010
    Publication date: July 14, 2011
    Applicant: AKAMAI TECHNOLOGIES, INC.
    Inventors: Christopher R. Knox, Philip A. Lisiecki, James Mutton, Chuck Bernard, Ashok Lalwani, Will Law, Thomas Devanneaux